Climate averages 1991–2020
Banda Aceh weather
in December.
A hot, very wet month: the 11th warmest and the 10th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
December is a hot month in Banda Aceh: daytime highs average 28.4°C and nights cool to about 24.0°C. By daytime temperature it is the 11th warmest of the 12 months.
Expect about 262 mm of rain on roughly 21 days, which makes December a very wet month (the 10th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 48 min on an average December day.
The nearest other city in this atlas is Lhokseumawe (205 km away). In December its highs average 27.7°C, 0.7°C cooler than Banda Aceh, with 258 mm of rain.
Among the 200 cities listed in Indonesia, Banda Aceh ranks joint 116th of 200 for the warmest December highs and 26th of 200 for the driest December (rainfall, lowest first). The mean December high of those 200 cities is 28.4°C; Banda Aceh is 0.1°C cooler than that mean.
From December to January, average highs rise by 0.4°C to 28.8°C, and monthly rainfall falls from 262 mm to 137 mm.
The annual picture
December in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Banda Aceh climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 28.8°C24.0°C | 24.0°C | 137 | 15.0 | 11.812 h |
| February | 29.4°C24.1°C | 24.1°C | 98 | 13.2 | 11.912 h |
| March | 29.8°C24.4°C | 24.4°C | 156 | 19.0 | 12.112 h |
| April | 29.8°C24.8°C | 24.8°C | 202 | 24.4 | 12.212 h |
| May | 29.9°C25.2°C | 25.2°C | 219 | 20.4 | 12.412 h |
| June | 30.2°C25.3°C | 25.3°C | 113 | 14.5 | 12.412 h |
| July | 30.0°C25.0°C | 25.0°C | 125 | 15.1 | 12.412 h |
| August | 29.8°C24.8°C | 24.8°C | 159 | 17.3 | 12.312 h |
| September | 29.4°C24.5°C | 24.5°C | 192 | 19.2 | 12.212 h |
| October | 28.6°C24.2°C | 24.2°C | 282 | 24.6 | 12.012 h |
| November | 28.3°C24.0°C | 24.0°C | 361 | 26.1 | 11.912 h |
| December, selected | 28.4°C24.0°C | 24.0°C | 262 | 20.9 | 11.812 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
December in nearby cities
- Lhokseumawe in DecemberIndonesia · 205 kmHigh 27.7°C · Low 24.1°C · 258 mm rain
- Langsa in DecemberIndonesia · 315 kmHigh 28.0°C · Low 23.3°C · 269 mm rain
- Binjai in DecemberIndonesia · 411 kmHigh 27.8°C · Low 21.7°C · 345 mm rain
- Belawan in DecemberIndonesia · 420 kmHigh 28.4°C · Low 22.9°C · 347 mm rain
- Sunggal in DecemberIndonesia · 424 kmHigh 28.1°C · Low 22.1°C · 345 mm rain
- Subulussalam in DecemberIndonesia · 427 kmHigh 28.6°C · Low 21.1°C · 395 mm rain
- Phuket in DecemberThailand · 427 kmHigh 28.1°C · Low 25.4°C · 81 mm rain
- Medan in DecemberIndonesia · 429 kmHigh 28.2°C · Low 22.4°C · 302 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Banda Aceh) is explained once on the Banda Aceh year overview and on the Sources, method and limits page.